<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

return new class extends Migration
{
    public function up(): void
    {
        Schema::create('documents', function (Blueprint $table) {
            $table->id();
            $table->foreignId('organization_id')->constrained()->cascadeOnDelete();
            $table->foreignId('folder_id')->nullable(); // self-referencing folder tree, FK added after table exists
            $table->string('name');
            $table->longText('content')->nullable(); // rich text body (Tiptap JSON/HTML)
            $table->string('file_path')->nullable(); // for uploaded (non rich-text) documents
            $table->unsignedInteger('current_version')->default(1);
            $table->foreignId('created_by')->nullable()->constrained('users')->nullOnDelete();
            $table->timestamps();
            $table->softDeletes();
        });

        Schema::table('documents', function (Blueprint $table) {
            $table->foreign('folder_id')->references('id')->on('documents')->nullOnDelete();
        });

        Schema::create('document_versions', function (Blueprint $table) {
            $table->id();
            $table->foreignId('document_id')->constrained()->cascadeOnDelete();
            $table->unsignedInteger('version');
            $table->longText('content')->nullable();
            $table->foreignId('created_by')->nullable()->constrained('users')->nullOnDelete();
            $table->timestamp('created_at')->useCurrent();
        });
    }

    public function down(): void
    {
        Schema::dropIfExists('document_versions');
        Schema::dropIfExists('documents');
    }
};